Furuno FAX-30 manual Remarks on navtex messages

4. NAVTEX OPERATION: NAVNET

4.4.2Remarks on navtex messages

•All navtex messages begin with “ZCZC” (navtex message ID) and end with “NNNN”. Immediately following ZCZC, the transmitting station ID, message category and message number are shown. In the example illustration at the bottom of the previous page this data is “IA55.”

I = Transmitting station’s ID A = Message category

55 = Message number

•An asterisk (*) is displayed in place of actual character when the character could not be read.

•Message number 00 contains important emergency information.

•The FAX-30 holds 130 navtex messages. When the navtex message storage capacity is exceeded, the oldest navtex message is automatically deleted to make room for the latest.

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